diff --git a/README.md b/README.md
index 23de08c..931868f 100755
--- a/README.md
+++ b/README.md
@@ -55,10 +55,10 @@ MY-BASIC is a dynamic typed programming language with BASIC syntax and has a ver
 * Collection implementation and manipulation functions for **`LIST`** and **`DICT`**
 * Automatic releasing of referenced objects (list, dictionary, referenced usertype, prototype, lambda, etc.) benefited from **Reference Counting** and **Garbage Collection**
 * Multiple source file support by `IMPORT` statement
-* Structured user customizable **sub routine** definition by **`DEF-ENDDEF`** support, including tail recursion optimization
-* Structured `IF-THEN-ELSEIF-ELSE-ENDIF` support
-* Structured `FOR-TO-STEP-NEXT/FOR-IN-NEXT/WHILE-WEND/DO-UNTIL` support
-* Reserved retro `GOTO/GOSUB-RETURN` support
+* Structured user customizable **sub routine** definition by **`DEF/ENDDEF`** support, including tail recursion optimization
+* Structured `IF/THEN/ELSEIF/ELSE/ENDIF` support
+* Structured `FOR/TO/STEP/NEXT`, `FOR/IN/NEXT`, `WHILE/WEND`, `DO/UNTIL` support
+* Reserved retro `GOTO`, `GOSUB/RETURN` support
 * Debug APIs
 * Customizable memory pool
 * High expansibility, easy to use APIs, easy to write customized scripting interfaces